Frank, Joe, and Callie are off to Virginia City, Nevada, heart of the Comstock Lode, to visit Callie's friend Kerry, whose father Ted has developed a system to extract new gold from old mines. But the deeper Ted digs, the more danger he finds. Gold fever is running high, and lives are at stake. But the Hardys head for a showdown 80 feet underground, where they discover just how wild the Wild West can be.